Hidden in the fold of the window or door, easily mounted with two screws, self-activating on the position of the window handle and extremely loud are main advantages.
The new Falzalarm also has a glass break sensor, is automatic activated when the window is in tilt position and has a battery life time of 7 years.
Idea for you: patio doors as standard alarm system equipped - little effort for a top argument on sale now! Available from autumn 2014 with radio control to get an SMS or call in case of alarm.
More on www.falzalarm.com